Best Online Casino Bonus Offers May 2025

We've compiled the best online casino bonuses and offers at the best online casinos in May 2025, for both real money and social casinos! Enjoy playing the best casino slots and table games for May 2025 with recommended casino bonuses and offers!

Thom Cunningham

May 29, 2025, 8:30 AM EDT | 5 min

Best Online Casinos Bonus Offers May 2025

We are in the middle of May and there are plenty of top online casino bonus offers users can claim, whether you're looking to play for real money or on social sites instead. Whatever your preference is, we've got you covered with the best offers and bonuses to claim from your favorite online casino platforms!

We have compiled all the top-notch legal online casinos offers that you can take advantage of! These online casino platforms don’t just boast top notch game selections, but they provide a simple sign-up process so you can dive straight into the action without missing a beat. When you register through Oddschecker, you can claim an exclusive bonus which we break down below!

Best Online Casinos Bonuses and Offers for Real Money this May 2025

We have great welcome offers for you to claim when you join any, or all, of our recommended online casinos for real money! Read below for all the offers to cash in this May 2025!

DraftKings Casino: 500 Casino Spins on a Featured Game + Up to $1K Back in Casino Credits

New Casino users can play & earn up to $1,000 in online casino credits, plus 500 spins on featured games! All you need to do to claim this amazing DraftKings Casino offer is sign up via the claim button below. Once you have registered for a new DraftKings account you will be able to claim the casino credits offer.

If you are eligible to play at a DraftKings Online Casino, sign up today via the Oddschecker promotion below and follow the correct steps to claim reward!

Bally Sports Casino: Up To $100 Back on First Deposit

NJ only and is quite a unique offer in comparison to other online casinos in the US , giving new users a money-back guarantee on their first deposit of up to $100.

So that means if you make any net losses within your first seven days at Bally Casino, you will get your money back as cash up to $100. That's right, cash up to $100 will be re-added to your account if you are unable to win with your first deposit at Bally Online Casino.

Caesars Casino: 100% Deposit Match Up to $2,500 + 2500 Reward Credits

If you visit Caesars Palace Online Casino from the specific states of Michigan, New Jersey, and Pennsylvania, you can take advantage of Caesars Palace Online Casino’s 100% deposit match offer of up to $2,500. Not only that, but the site throws in a generous 2500 Reward Credits on top for Caesars Rewards when you wager your first $25.

Caesars has over 800 casino games to enjoy. This extensive collection includes online slots, video poker, progressive jackpots, game shows, roulette, blackjack, live dealer games, and more.

Best Online Casinos Bonuses and Offers for Social Casinos this May 2025

We also have great welcome offers for you to claim when you join any, or all, of our recommended online social casinos! Read below for all the offers to take advantage of this May 2025!

McLuck Social Casino: 7,500 Gold Coins + 2.5 Sweepstakes Coins

When you register with McLuck Casino, you’ll receive a welcome bonus of 7,500 Gold Coins and free 2.5 Sweepstakes Coins. You don’t need a McLuck promo code to claim this offer, all you have to do is click the offer button below!

McLuck Casino offers mobile platforms that allow players to enjoy their favorite casino-style games on the go without any purchases necessary, another reason it is one of our top offers for online casinos May 2025.

McLuck Casino has a diverse game library focusing on slots, featuring an impressive portfolio of games from renowned software developers like 3 Oaks Gaming and Playson. It's a solid selection of slot games from reputable software providers should satisfy most casino players, despite no table games.

Stake Social Casino: $1 Stake Cash Each Day + 10,000 Gold Coins

Stake is easily the most popular online social casino, as one of Stake Casino’s biggest selling points is its collection of games. Whether you’re interested in slots or live table games, the operator is sure to have something to catch your eye.

Daily gold coin promotions give players free gold coins every day. Also, weekly bonuses offer players coins as they play their favorite games. At the time of writing, for example, players can spend 1000 SC in exchange for an entry into a raffle awarding up to 25,000 SC and 250 million GC to eligible players. Each 1000 spent adds another entry to the drawing. These raffles are usually held once a week live on a video stream, which means players can watch.

Other Casino Guides

Join the oddschecker Community

Bet with Intelligence

Sign-up for an oddschecker account to get expert picks, ai-driven betting tools and best odds across sportsbooks.

Insight

More Insights

DraftKings Promo Code: Last Chance to Bet $5, Get $300 on Game 7 of the NBA Finals

This is your last chance to claim the bet $5, get $300 DraftKings Promo Code, so sign up below before Game 7 of the NBA Finals.

Tom Jacobs

June 22, 2025, 7:01 PM EDT

3 minutes

FanDuel Promo Code: Last Chance to Bet $5, Get $200 on the NBA Finals

Time is running out on the $200 FanDuel promo code, and the final game of the NBA season is the perfect time to use it. Simply bet $5, get $200 as a new user claiming the FanDuel Sportsbook promotion ahead of Thunder vs Pacers.

Tom Jacobs

June 22, 2025, 6:00 PM EDT

3 minutes

2026 NBA Championship Odds: Houston Rockets Soar to Second-Best Chance After Trading for Kevin Durant

The Houston Rockets set the NBA offseason in motion a few hours before Game 7 by finally trading for Kevin Durant. Oddsmakers have boosted them from +1800 to +750 after the move, a massive jump to the second-best odds. Can Kevin Durant take them over the top in 2026? Matt MacKay discusses the trade and the latest Houston Rockets odds movement.

Matt MacKay

June 22, 2025, 2:30 PM EDT

5 Minute Read

NBA Finals Game 7 Odds: How to Bet on Thunder vs Pacers With BetMGM, Bet365, Fanatics

Find the best ways to bet on Oklahoma City Thunder vs Indiana Pacers tonight, as we run through the latest BetMGM Bonus Code, bet365 Bonus Code, and a huge bonus from Fanatics Sportsbook!

Tom Jacobs

June 22, 2025, 11:00 AM EDT

6 minutes

DraftKings Sportsbook NBA Finals: How to Bet on Pacers-Thunder Game 7, NBA Finals MVP

Below, we will show you how to bet on the NBA Finals Game 7 with DraftKings Sportsbook, including a $300 DraftKings promo code for new users.

Tom Jacobs

June 22, 2025, 10:00 AM EDT

3 minutes

More Insights

Picks

Thunder vs. Pacers Prediction: Can T.J. McConnell Spark Pacers to NBA Finals Upset in Game 7?

T.J. McConnell has made a big difference when on the floor for Indiana in the NBA Finals. He has played more minutes in the last two games, topping 20 minutes. With the NBA championship on the line, McConnell is in a good spot to cash in on some props. Find out the best one to take on Sunday night as Adam Ronis breaks down his Thunder vs. Pacers prediction for Game 7 of the NBA Finals.

Adam Ronis

June 22, 2025, 4:00 PM EDT

4 Minute Read

Jamahal Hill vs. Khalil Rountree Jr. Prediction, Betting Pick, Latest Odds for UFC Fight Night

Khalil Rountree Jr. and Jamahal Hill will meet for UFC Fight Night from Azerbaijan on Saturday in the main event. With dead-even odds, Jason Radowitz is looking to see how long this fight lasts in the total rounds odds. Check out this best betting pick for Jamahal Hill vs. Khalil Rountree at UFC Fight Night Azerbaijan on June 21st.

Jason Radowitz

June 21, 2025, 2:00 PM EDT

5 Minute Read

Rafael Fiziev vs. Ignacio Bahamondes Prediction, Betting Pick, Latest Odds for UFC Fight Night

Ignacio Bahamondes is a slight favorite over Rafael Fiziev in the co-main event on Saturday night. Can Fiziev pull off the minor upset at UFC Fight Night in Azerbaijan? Jason Radowitz is rocking with the underdog in his Fiziev vs. Bahamondes prediction for June 20th.

Jason Radowitz

June 21, 2025, 1:30 PM EDT

5 Minute Read

Curtis Blaydes vs. Rizvan Kuniev Prediction, Betting Pick, Latest Odds for UFC Fight Night

Curtis Blaydes is the biggest favorite on the main card at UFC Fight Night in Azerbaijan. Can Blaydes take control against Rizvan Kuniev in the third to last fight of the night? Jason Radowitz is rocking with the American favorite in his Blaydes vs. Kuniev prediction for UFC Fight Night on June 21st.

Jason Radowitz

June 21, 2025, 12:30 PM EDT

5 Minute Read

Coastal Carolina vs. LSU Prediction, Betting Pick, Latest Men's College World Series Championship Odds for Game 1

The LSU Tigers will take on the Coastal Carolina Chanticleers in the College World Series Final best of three series. The Chants haven't lost since April, will they continue their winning streak on Saturday afternoon in Omaha? Matt MacKay thinks so, and explains why in his Coastal Carolina vs. LSU prediction for Game 1 on June 21st.

Matt MacKay

June 21, 2025, 12:15 PM EDT

5 Minute Read